for "religion and ethics newsweekly" this is fred de sam lazaro in new delhi. >>> on our calendar this coming week, the seven-day jewish festival of sukkot, the feast of tabernacles. jews recall their ancestors' 40 years of wandering in the desert by building a fragile structure called a sukk-ah, which many jews use for prayers and meals. >>> in south africa, there were spirited celebrations this week for the 80th birthday of retired anglican archbishop and nobel peace prize winner desmond tutu. >>> finally, the 2011 nobel prize in physics went this week to three americans who in 1997 discovered that the universe is expanding faster than had been thought. writing about that in "the new york times," professor robert kirschner of harvard also reminded us of some other amazing things, known and unknown. according to kirschner, all the stuff there is, galaxies, stars, people, everything, make up only 5 percent of the material universe. 25 percent is what is called dark matter and 70 percent is a mysterious dark energy. thus, according to kirshner, 70% of the universe remains a mystery that

. >> woodruff: from india, fred de sam lazaro reports on the world's largest school lunch program. >> the second fastest growing economy in the world has almost half of its children mall newerished. >> ifill: and jeffrey brown talks to dr. anthony fauci about the nobel prize in medicine, awarded today to three scientists for research on the body's immune system. that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: >> oil companies have changed my country. >> oil companies can make a difference. >> we have the chance to build the economy. >> create jobs, keep people healthy and improve schools. >> ...and our communities. >> in angola chevron helps train engineers, teachers and farmers, launch child's programs. it's not just good business. >> i'm hopeful about my country's future. >> it's my country's future. >> and by bnsf railway. >> and by the bill and melinda gates foundation. dedicated to the idea that all people deserve the chance to live a healthy, productive life. and with the ongoing support of these institutions and foundations. and.

fred de sam lazaro reported from new delhi last december. >> jyoti sharma, a conservation activist who runs a small aid agency, says the city is simply overwhelmed. >> every year, we get an additional 500,000 to 700,000 people. that's the net addition for the city. >> seven hundred thousand people every year? >> seven hundred thousand people, yes. a majority of this growth is of people who are poor. and they typically come and settle in these kind of settlements. only 27% of the city is actually a planned city. the rest of it has just grown like this. and you cannot stop them from coming, because that's the only place they will get some livelihood from. >> reporter: babies born today enter a world where 13% of the population does not have access to clean drinking water. that was the subject of steve sapienza's report in march from dhaka bangladesh. >> if you want to see the human toll exacted by unsafe water and poor sanitation in dhaka, you come here. this is the overflow tent at the short-stay unit at dhaka's main cholera and diarrhea hospital. this man arrived at the hospital with n

. >> woodruff: from rio de janeiro, fred de sam lazaro reports on one man's push to close the digital divide in brazil. >> the more brazil's poor gain access to technology and the know how to use it, the more they can participate in the country's booming economy which would get a $1 billion stimulus for the world cup and olympics. >> ifill: and jeffrey brown assesses the state of the banking industry, as some of the largest financial institutions report growing losses. >> woodruff: that's all ahead on tonight's "newshour." major funding for the pbs newshour has been provided by: >> computing surrounds us. sometimes it's obvious and sometimes it's very surprising where you find it. soon, computing intelligence in unexpected places will change our lives in truly profound ways. technology can provide customized experiences, tailored to individual consumer preferences, igniting a world of possibilities from the inside out. sponsoring tomorrow, starts today. ♪ ♪ moving our economy for 160 years. bnsf, the engine that connects us. and the william and flora hewlett foundation, working to sol